I was yesterday informed by some friends that they received spam mails with my name as sender. The sender addresses look like firstnamelastname@spacepc.pt and firstnamelastname@revistaplot.com with ...

Every few weeks, I get an annoying SMS trying to sell me something, or trying to get me to click something, or otherwise spamming me.
I don't think it's a targeted thing- I think my phone number is ...

cPanel server with Exim MTA and Dovecot. Some hacker is finding old scripts at different users public directory, and uploading base64 encoded files then using it to send massive spam.
How do I block ...

I have recently set up my first email server, and I look at the logs in /var/logs/mail.log to see what is happening, I notice this one IP does this multiple times every day for the last so many weeks ...

Recently a handful of my Facebook friends flew off the handle screaming about how horribly they had been "hacked" and how scary it was and etc.
It was my view that most of these "hacks" were simply ...

In shared hosting server, one user is trying to upload 100s of symbolic link files and trying to access files out side. Mostly it is for malicious purpose.
In this image, you can see 100s of symlink ...

About a month ago we upgraded (maybe not the right term) our site to WordPress. In that time we went from about 3800 inbound links (according to Google WebMaster) to about 5000. We exported our list ...

There is a Wordpress blog running on Wordpress 4.0. Anyone having the company webmail can signup to the blog using their Google+ account and submit blog posts. Once posted they will be sent to some ...

I'm receiving spam emails that, looking at the email headers, appear to be coming from a variety of computers around the planet. They're always the same type of email that contains invalid URLs inside ...

Which websites would you usually check if you suspect that your company's address book has been leaked and is being used by spammers?
I have identified https://pwnedlist.com/ for this purpose but was ...

This answer mentions Bayesian poisoning in passing and I've read the wikipedia page but don't feel I've fully grasped it.
The first case, where a spammer sends a spam with a payload (link, malicious ...

Our web application offers users with the option to bulk email a bunch of interesting information to multiple email addresses at once. It's fairly easy to register an account with the service and thus ...

I'm working on a web app at the moment where we’re trying to remove any user friction and excess steps from our user creation page. To avoid computer bots completely spamming our app we need to have a ...

I frequently have to remind my members not to post their e-mails due to spam bots. One of them told me he doesn't care about that since his spam filter is good enough. If I allow him to do that, are ...

About two weeks ago, I had to reply to an urgent email (gmail) on my Android phone with the Gmail app.
Unfortunately, my VPN client refused to work that day (Private Internet Access Android Client), ...

I recently came across a computer that was infected with a lpcloudsvr302 and a bk-coretag.js Virus. I did some research about the two Viruses and realized that their is no reliable source that helps ...